Bestgle 2pcs 3mm Shaft Mini Keyless Drill Chuck Quick Change Adapter Bit Converter

2pcs Mini electric grinding drill chuck. Clamping range :Dia 0.3-4mm/ 0”-1/8”; shank: 3mm round shaft. 3mm shaft engraving machine conversion chuck fits all chucks, for Dremel Electric Grinder. 3 Jaws can postion and hold the dril bits firmly,quick change and remove the drill bit. Instantly convert impact driver to hold non-quick change drill & driver bits. Important Note: Do not operate it high speed directly after mounted on universal chuck, otherwsie rear axle will be bent.